| MASTER LUCK ENTERPRISE LIMITED | Private company limited by shares | Live |
| BRIGHT ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| WING TAI IRON ENGINEERING LIMITED | Private company limited by shares | Live |
| KMG Enterprises Limited | Private company limited by shares | Live |
| UP ENERGY LIMITED | Private company limited by shares | Live |
| GAREN ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| New Energy Asia (Group) Limited | Private company limited by shares | Dissolved |
| WHOLLY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| RIPE STAR ENGINEERING LIMITED | Private company limited by shares | Live |
| UNITED TOP ENGINEERING LIMITED | Private company limited by shares | Live |
| MAX GLOBAL ENGINEERING LIMITED | Private company limited by shares | Live |
| CHINA EXPRESS ENGINEERING LIMITED | Private company limited by shares | Live |
| FAME HILL ENGINEERING LIMITED | Private company limited by shares | Live |
| FINE TOP ENGINEERING LIMITED | Private company limited by shares | Live |
| E.nopi Prestige Education Center Limited | Private company limited by shares | Live |
| ROUND TOP ENGINEERING HONG KONG LIMITED | Private company limited by shares | Live |
| FIRECOM Engineering Limited | Private company limited by shares | Live |
| XIANGGANG ENJOY INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| WAN SIN ENTERPRISE LIMITED | Private company limited by shares | Live |
| WINNING GOLD ENTERPRISE LIMITED | Private company limited by shares | Live |
| Wan Wai Construction Engineering Limited | Private company limited by shares | Live |
| ENERGY SOLUTIONS CO., LIMITED | Private company limited by shares | Live |
| Enjoy Bespoke Events Limited | Private company limited by shares | Dissolved |
| Wego Environmental Technology Limited | Private company limited by shares | Dissolved |
| HK AIERJIA ENVIRONMENTAL PROTECTION ELECTRIC GROUP LIMITED | Private company limited by shares | Live |
| Wah Tung Decorate Material Engineering Company Limited | Private company limited by shares | Live |
| EnerClean Limited | Private company limited by shares | Dissolved |
| ENERGY VIEW INVESTMENT LIMITED | Private company limited by shares | Live |
| GOOD ENERGY (ASIA) LIMITED | Private company limited by shares | Live |
| Zoefor Energy Consulting Limited | Private company limited by shares | Live |
| JAVIS ENGINEERING LIMITED | Private company limited by shares | Live |
| I-SPACE DESIGN & ENGINEERING LIMITED | Private company limited by shares | Live |
| Life-Sources Enterprises Limited | Private company limited by shares | Live |
| JIN FAI ENGINEERING LIMITED | Private company limited by shares | Live |
| YUEN SENG ENGINEERING LIMITED | Private company limited by shares | Live |
| CANETCH ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Ramy Engineering Limited | Private company limited by shares | Live |
| Well Gains Environmental Engineering Limited | Private company limited by shares | Dissolved |
| ART PARADISE ENTERPRISES LIMITED | Private company limited by shares | Live |
| SUN EGO ENTERPRISES LIMITED | Private company limited by shares | Live |
| EUROKIM ENTERPRISE LIMITED | Private company limited by shares | Live |
| Melodious Environment Landscape Architecture Co., Limited | Private company limited by shares | Live |
| NEW DRAGON ENTERPRISES LIMITED | Private company limited by shares | Live |
| ENERGY PRODUCTS & SOLUTIONS LIMITED | Private company limited by shares | Live |
| INSPIRATION (GROUP) ENGINEERING LIMITED | Private company limited by shares | Live |
| MS ENTERPRISE HK LIMITED | Private company limited by shares | Live |
| JET LINK GLOBAL ENGINEERING LIMITED | Private company limited by shares | Live |
| KAN Engineering Company Limited | Private company limited by shares | Live |
| LUCKY ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CY ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| WINBRILLIANT ENTERPRISE LIMITED | Private company limited by shares | Live |
| LEGEND ENRICH LIMITED | Private company limited by shares | Live |
| Endeavor Enterprise Limited | Private company limited by shares | Live |
| TECHONE ENGINEERING LIMITED | Private company limited by shares | Live |
| CHONG KEE ENGINEERING LIMITED | Private company limited by shares | Live |
| ZHIXI ENTERPRISE GROUP LIMITED | Private company limited by shares | Live |
| ENEPOWER INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| HUAHUI ENERGY INVESTMENT LIMITED | Private company limited by shares | Live |
| EB Conal Energy Limited | Private company limited by shares | Live |
| MAXFORD ENGINEERING LIMITED | Private company limited by shares | Live |
| SINOLAND ENGINEERING LIMITED | Private company limited by shares | Live |
| VICTORY STAR ENGINEERING LIMITED | Private company limited by shares | Live |
| FEI TO ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ZHENG HE MINDRAY ENERGY GROUP COMPANY LIMITED | Private company limited by shares | Live |
| WELLSON ENERGY LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENT TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| GROWS ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| RUIDONG ENERGY CO., LIMITED | Private company limited by shares | Live |
| Clean Energy Resources Limited | Private company limited by shares | Dissolved |
| SHIBIGAO (HK) SPACE ENVIRONMENT ART DESIGN LIMITED | Private company limited by shares | Dissolved |
| Star Wah E & M Engineering Limited | Private company limited by shares | Live |
| NORDIC ENERGY LIMITED | Private company limited by shares | Live |
| ENGINE HUB CO., LIMITED | Private company limited by shares | Live |
| REGA ENGINEERING Limited | Private company limited by shares | Live |
| LP ENTERPRISE LIMITED | Private company limited by shares | Live |
| Mengjin Energy Limited | Private company limited by shares | Live |
| SAM BO ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| HIT ENERGY CO., LIMITED | Private company limited by shares | Dissolved |
| Chinese Environment FengShui Institute Co., Limited | Private company limited by shares | Live |
| ENERGY DRAGON LIMITED | Private company limited by shares | Live |
| CHONG WING GROUND ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| LEE FULL ENGINEERING HONG KONG LIMITED | Private company limited by shares | Dissolved |
| PWT ENVIRONMENTAL CONSULTANCY ASIA LIMITED | Private company limited by shares | Live |
| Broadtec Environmental Technology Limited | Private company limited by shares | Live |
| Jam Engineering Company Limited | Private company limited by shares | Live |
| PMD Engineering Limited | Private company limited by shares | Live |
| Rhema Engineering Company Limited | Private company limited by shares | Live |
| HUNAN RED SOLAR NEW ENERGY LIMITED | Private company limited by shares | Dissolved |
| ENHANCE WEALTH LIMITED | Private company limited by shares | Live |
| Kai Chit Engineering Company Limited | Private company limited by shares | Live |
| INNER ENERGY TONG ZI GONG ASSOCIATION LIMITED | Private company limited by shares | Live |
| GLOBAL TECHNOLOGIES AND ENVIRONMENTAL COMPANY LIMITED | Private company limited by shares | Live |
| EVENTONE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| GUU ENGINEERING LIMITED | Private company limited by shares | Live |
| WE POWER ENGINEERING LIMITED | Private company limited by shares | Live |
| MEGA ENRICHED LIMITED | Private company limited by shares | Live |
| RDS ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| THUNDERCLAP ENTERPRISE LIMITED | Private company limited by shares | Live |
| Wellmade Engineering Limited | Private company limited by shares | Live |
| ENJOY THE SPACE WIRE (HK) CO., LIMITED | Private company limited by shares | Live |